Home / 4,784.40-7,174.53-1,860.69

Finding the Fourth Proportional to 4,784.40, 7,174.53 and 1,860.69

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Solution

The fourth proportional to 4,784.40, 7,174.53 and 1,860.69 is: 2,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.40 : 7,174.53 = 1,860.69 : x
  2. Step 2: Convert to fraction form
    4,784.40/7,174.53 = 1,860.69/x
  3. Step 3: Cross multiply
    4,784.40x = 7,174.53 × 1,860.69
  4. Step 4: Simplify right side
    4,784.40x = 13,349,576.23
  5. Step 5: Solve for x
    x = 13,349,576.23/4,784.40
  6. Step 6: Final answer
    x = 2,790.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.